E BOARD TRACKER

 

electric bicycle, green concept, eboard tracker, green transportation concept, bicycle design

                      

Getting an inspiration from vintage motorcycle,”   Board Tracker” racing motorcycles from 1920.

 

This "Emotorcycle"is treated as a light weight «moped" rather than an Electric pedal assisted cycles. Why? Because Emoped are allow of 30 to 35 MPH depending on country, that is  quite enough and moreover Emoped don't need to be fitted with pedals that are operable at all times to propel the bicycle.

 Here we are on a "racer"and to emphasis the fun side, control of the motor is by hand throttle (same way as gas throttle on a motorcycle) not by pedalling.

Other features that complete  this Eboard tracker are efficient brakes  and  a set of fat soft compound tyres. Using a Hub motor with regenerative braking at rear and a hub battery at front would help for a "racer" look as they are very similar to a set of drum brakes.

bicycle frame concept, motorcycle design, ebike concept

 

 Flowing lines, and simplicity.

A beam girder from I-section and 2 hydro-formed tubes welded together add strength to steering head.

Take note LED lighting system.

ebike concept, brace bike, eboard tracker, green concept

 

 

 

    A cycle computer is located on top of handlebar with speed, battery state of charge, and estimate remaining battery capacity.               

ebicycle transmission, green bike concept

 

 

I kept pedals and add a 6 speeds

Transmission, in case battery is flat,

allowing to go back home without

pushing... Pedals are both lockable

at 180°, to be used as foot pegs,

Lockable pedals help for neutral

Steering.

 

electric motor hub, green electric bike concept

 

 

. Chain transmission, is swapped for a neat bevel drive, Fiber carbon shaft and Nylon hypoïd gears  are enclosed in right swing arm.

brake diske, green ebike design

 

 

 

Funny light electric bicycle does not mean  no brakes...A set of small but efficient perimeter floating  disc brake system complete the job.

 

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